/*
Theme Name: TechSOS Premium
Theme URI: https://techsos.com
Author: Premium Themes
Author URI: https://techsos.com
Description: Tema WordPress Premium para sites de tecnologia com UX/UI de altíssimo nível
Version: 2.0
License: GPL v2 or later
Text Domain: techsos-premium
*/

/* ==========================================================================
   1. CSS Variables & Root
   ========================================================================== */
:root {
    /* Colors - Customizáveis via WordPress Customizer */
    --primary-color: #FF6B35;
    --secondary-color: #1A1A2E;
    --accent-color: #16213E;
    --text-primary: #1A1A2E;
    --text-secondary: #4A5568;
    --text-muted: #718096;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    --border-color: #E2E8F0;
    --success-color: #48BB78;
    --warning-color: #ED8936;
    --error-color: #E53E3E;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-heading: 'Inter', var(--font-primary);
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   3. Layout & Container
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-lg);
}

/* ==========================================================================
   4. Header Styles
   ========================================================================== */
.site-header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.site-branding {
    display: flex;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    display: flex;
}

.logo-text .tech {
    color: var(--primary-color);
}

.logo-text .sos {
    color: var(--text-primary);
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xs);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-lg);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.nav-menu .current-menu-item a,
.nav-menu .current_page_item a {
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.1);
}

/* Search */
.header-search {
    margin-left: var(--space-xl);
}

.search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ==========================================================================
   5. Main Content Area
   ========================================================================== */
.site-content {
    padding: var(--space-3xl) 0;
    min-height: 70vh;
}

.content-area {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-2xl);
    align-items: start;
}

.content-area.no-sidebar {
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

/* ==========================================================================
   6. Post Cards & Grid
   ========================================================================== */
.posts-section {
    margin-bottom: var(--space-3xl);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 24px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

.view-all {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: gap var(--transition-fast);
}

.view-all:hover {
    gap: var(--space-sm);
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

/* Post Card */
.post-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.post-card-link {
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-thumbnail-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
}

.post-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.post-card:hover .post-thumbnail {
    transform: scale(1.05);
}

.post-category-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--primary-color);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-md);
}

.reading-time {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.post-content {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-excerpt {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.8125rem;
    color: var(--text-muted);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.author-avatar {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
}

.post-date {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.verified-badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--success-color);
    font-size: 0.75rem;
}

/* Featured Post */
.featured-post {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-2xl);
    transition: all var(--transition-base);
}

.featured-post:hover {
    box-shadow: var(--shadow-xl);
}

.featured-thumbnail-wrapper {
    aspect-ratio: 16/10;
}

.featured-content {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--primary-color);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: var(--space-md);
    width: fit-content;
}

.featured-title {
    font-size: 1.875rem;
    margin-bottom: var(--space-md);
}

.featured-excerpt {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* ==========================================================================
   7. Sidebar
   ========================================================================== */
.sidebar {
    position: sticky;
    top: calc(70px + var(--space-xl));
}

.widget {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.widget-title::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 20px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

/* Trending Posts Widget */
.trending-posts {
    list-style: none;
}

.trending-post-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.trending-post-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.trending-post-item:hover {
    padding-left: var(--space-sm);
}

.trending-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    min-width: 30px;
}

.trending-content {
    flex: 1;
}

.trending-title {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.trending-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Categories Widget */
.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: var(--space-sm);
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.category-link:hover {
    background: var(--bg-tertiary);
    padding-left: var(--space-lg);
}

.category-name {
    font-weight: 500;
    color: var(--text-primary);
}

.category-count {
    font-size: 0.8125rem;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
}

/* ==========================================================================
   8. Single Post Styles
   ========================================================================== */
.single-post-header {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
    text-align: center;
}

.single-category {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: var(--space-lg);
}

.single-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

.single-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.single-featured-image {
    margin: var(--space-3xl) calc(var(--space-3xl) * -1);
    aspect-ratio: 21/9;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.single-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.single-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.single-content h2,
.single-content h3,
.single-content h4 {
    margin: var(--space-2xl) 0 var(--space-lg);
    color: var(--text-primary);
}

.single-content p {
    margin-bottom: var(--space-lg);
}

.single-content img {
    margin: var(--space-2xl) 0;
    border-radius: var(--radius-lg);
}

.single-content blockquote {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-style: italic;
}

.single-content pre {
    margin: var(--space-2xl) 0;
    padding: var(--space-lg);
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.single-content code {
    font-family: 'Fira Code', monospace;
    font-size: 0.875em;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.footer-description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-widget h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--bg-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--bg-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   10. Animations & Transitions
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* Scroll animations */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   11. Utilities
   ========================================================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

/* ==========================================================================
   12. Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .content-area {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .featured-post {
        grid-template-columns: 1fr;
    }
    
    .featured-content {
        padding: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    /* Mobile Navigation */
    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-primary);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
        padding: var(--space-xl);
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-search {
        display: none;
    }
    
    /* Posts Grid Mobile */
    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .single-title {
        font-size: 1.875rem;
    }
    
    .single-featured-image {
        margin: var(--space-xl) calc(var(--space-md) * -1);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
}

/* ==========================================================================
   13. Print Styles
   ========================================================================== */
@media print {
    .site-header,
    .sidebar,
    .site-footer,
    .search-form {
        display: none;
    }
    
    .content-area {
        grid-template-columns: 1fr;
    }
    
    .single-content {
        max-width: 100%;
    }
}

/* ==========================================================================
   14. Dark Mode Support (Optional via Customizer)
   ========================================================================== */
body.dark-mode {
    --text-primary: #F7FAFC;
    --text-secondary: #CBD5E0;
    --text-muted: #718096;
    --bg-primary: #1A202C;
    --bg-secondary: #2D3748;
    --bg-tertiary: #4A5568;
    --border-color: #4A5568;
}
/* ==========================================================================
   15. Additional Premium Styles
   ========================================================================== */

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.button-primary {
    background: var(--primary-color);
    color: white;
}

.button-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.button-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.button-secondary:hover {
    background: var(--bg-secondary);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-4px);
}

/* Reading Progress */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    z-index: var(--z-tooltip);
    transition: width var(--transition-fast);
}

/* Search Dropdown */
.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: var(--space-xl) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.search-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Copy Code Button */
.copy-code-button {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-code-button:hover {
    background: var(--bg-primary);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-color);
}

.share-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.share-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.share-button:hover {
    transform: translateY(-2px);
}

.share-button.facebook:hover {
    background: #1877F2;
    color: white;
}

.share-button.twitter:hover {
    background: #1DA1F2;
    color: white;
}

.share-button.linkedin:hover {
    background: #0A66C2;
    color: white;
}

.copy-link {
    width: auto;
    padding: 0 var(--space-md);
    gap: var(--space-xs);
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin: var(--space-2xl) 0;
}

.author-bio img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
}

.author-details h3 {
    margin-bottom: var(--space-sm);
}

.author-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary-color);
    font-weight: 600;
    margin-top: var(--space-md);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag-link {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.tag-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 404 Page */
.error-404-wrapper {
    text-align: center;
    padding: var(--space-3xl) 0;
}

.error-illustration {
    margin-bottom: var(--space-2xl);
}

.error-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.error-message {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.error-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.error-search {
    max-width: 500px;
    margin: 0 auto;
}

/* Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles Enhancement */
@media print {
    .no-print {
        display: none !important;
    }
    
    .single-content {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
    }
}